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What is the first step in the process of photosynthesis?

Photosynthesis occurs in two stages. In the first stage, light-dependent reactions or light reactions capture the energy of light and use it to make the energy-storage molecules ATP and NADPH. During the second stage, the light-independent reactions use these products to capture and reduce carbon dioxide.

Beside this, what is the first step in photosynthesis?

The first stage of photosynthesis is the light dependent reactions. These reactions take place on the thylakoid membrane inside the chloroplast. During this stage light energy is converted to ATP (chemical energy) and NADPH (reducing power).

Secondly, what are the steps of photosynthesis and where do they occur? The two stages of photosynthesis: Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.

Moreover, what are the steps in the process of photosynthesis?

Terms in this set (7)

  • Step 1-Light Dependent. CO2 and H2O enter the leaf.
  • Step 2- Light Dependent. Light hits the pigment in the membrane of a thylakoid, splitting the H2O into O2.
  • Step 3- Light Dependent. The electrons move down to enzymes.
  • Step 4-Light Dependent.
  • Step 5-Light independent.
  • Step 6-Light independent.
  • calvin cycle.

What is the first step of photosynthesis quizlet?

Light (Suns energy), water and carbon dioxide enter into the cell and pass thru the light dependent reactions. Then that passes thru it picks up ATP and NADPH (energy and hydrogen) and enters into the Calvin cycle which then produces glucose and oxygen which then leaves the cell.

Similar Question and The Answer

What is the second step of photosynthesis?

The second stage of photosynthesis includes carbon fixation and is called the dark reactions, or the Calvin cycle. Photosynthesis starts with the first stage, called the light reactions. Here, the energy is sunlight is harvested and converted into chemical energy in the form of NADPH and ATP.

What is photosynthesis and how does it work?

Photosynthesis. Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water. This glucose can be converted into pyruvate which releases adenosine triphosphate (ATP) by cellular respiration. Oxygen is also formed.

Where are photosystem 1 and 2 found?

Photosystems are found in the thylakoid membranes of plants, algae and cyanobacteria. They are located in the chloroplasts of plants and algae, and in the cytoplasmic membrane of photosynthetic bacteria. There are two kinds of photosystems: II and I.

What type of reaction is photosynthesis?

endothermic reaction

Why do plants need to Photosynthesise?

Unlike animals, most plants do not need to find food, because they can make it for themselves. Plants use energy from sunlight to turn water and carbon dioxide into an energy-rich sugar called glucose. This process is called photosynthesis, which means “making things with light”.

Why is photosynthesis important?

Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy.

What are the two products of photosynthesis?

The products of photosynthesis are glucose and oxygen. Photosynthesis takes in carbon dioxide and water and combine them in the presence of energy from the sun to make food for the organism.

What is the main process of photosynthesis?

The process of photosynthesis is divided into two main parts. The first part is called the light dependent reaction. This reaction happens when the light energy is captured and pushed into a chemical called ATP. The second part of the process happens when the ATP is used to make glucose (the Calvin Cycle).

What happens in the first step of photosynthesis?

Photosynthesis occurs in two stages. In the first stage, light-dependent reactions or light reactions capture the energy of light and use it to make the energy-storage molecules ATP and NADPH. During the second stage, the light-independent reactions use these products to capture and reduce carbon dioxide.

What is the cycle of photosynthesis?

Photosynthesis - The cycle of plants and how they make energy! The sun(light energy), water, minerals and carbon dioxide are all absorbed by the plant. The plant then uses them to make glucose/sugar, which is the energy/food for the plant.

How do you know photosynthesis has occurred?

(One of the ways to test if photosynthesis has occurred is to test for the presence of starch.) Interestingly, respiration is almost exactly the opposite of photosynthesis. The cell uses oxygen and glucose to create water, carbon dioxide, and energy.

Where does Dark reaction take place?

The "light-independent" or dark reactions happen in the stroma of the chloroplasts. This is also known as the Calvin Cycle. Since these processes can only happen in the chloroplast (a chlorophyll filled plastid in green plants), photosynthesis can only happen in green plants!

Where is water split in photosynthesis?

The enzyme complex that catalyzes the water-splitting reaction (known as the oxygen-evolving complex) contains manganese and calcium, and is located in photosystems embedded in thylakoid membranes within the chloroplast.

How do plants work?

Plants are made up of roots, stems, and leaves, and most produce flowers, fruit, and seeds. Using carbon dioxide, water, nutrients, and energy from sunlight, the chlorophyll makes the food that the plant needs. This process is called photosynthesis. During this process, plants release oxygen into the air.

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